package cn.zyq.ykb.system.utils;

import org.apache.commons.lang3.time.DateFormatUtils;

import java.lang.management.ManagementFactory;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.*;
import java.time.format.DateTimeFormatter;
import java.util.Date;

/**
 * 时间工具类
 *
 * @author tiger
 */
public class DateUtils extends org.apache.commons.lang3.time.DateUtils {
    public static String YYYY = "yyyy";

    public static String YYYY_MM = "yyyy-MM";

    public static String YYYY_MM_DD = "yyyy-MM-dd";

    public static String YYYYMMDD = "yyyyMMdd";

    public static String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";

    public static String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";

    private static String[] parsePatterns = {
            "yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM",
            "yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM",
            "yyyy.MM.dd", "yyyy.MM.dd HH:mm:ss", "yyyy.MM.dd HH:mm", "yyyy.MM"};

    /**
     * 获取当前Date型日期
     *
     * @return Date() 当前日期
     */
    public static Date getNowDate() {
        return new Date();
    }

    /**
     * 获取当前日期, 默认格式为yyyy-MM-dd
     *
     * @return String
     */
    public static String getDate() {
        return dateTimeNow(YYYY_MM_DD);
    }

    public static final String getTime() {
        return dateTimeNow(YYYY_MM_DD_HH_MM_SS);
    }

    public static final String dateTimeNow() {
        return dateTimeNow(YYYYMMDDHHMMSS);
    }

    public static final String dateTimeNow(final String format) {
        return parseDateToStr(format, new Date());
    }

    public static final String dateTime(final Date date) {
        return parseDateToStr(YYYY_MM_DD, date);
    }

    public static final String parseDateToStr(final String format, final Date date) {
        return new SimpleDateFormat(format).format(date);
    }

    public static final Date dateTime(final String format, final String ts) {
        try {
            return new SimpleDateFormat(format).parse(ts);
        } catch (ParseException e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * 日期路径 即年/月/日 如2018/08/08
     */
    public static final String datePath() {
        Date now = new Date();
        return DateFormatUtils.format(now, "yyyy/MM/dd");
    }

    /**
     * 日期路径 即年/月/日 如20180808
     */
    public static final String dateTime() {
        Date now = new Date();
        return DateFormatUtils.format(now, "yyyyMMdd");
    }

    /**
     * 日期型字符串转化为日期 格式
     */
    public static Date parseDate(Object str) {
        if (str == null) {
            return null;
        }
        try {
            return parseDate(str.toString(), parsePatterns);
        } catch (ParseException e) {
            return null;
        }
    }

    /**
     * 获取服务器启动时间
     */
    public static Date getServerStartDate() {
        long time = ManagementFactory.getRuntimeMXBean().getStartTime();
        return new Date(time);
    }

    /**
     * 计算两个时间差
     */
    public static String getDatePoor(Date endDate, Date nowDate) {
        long nd = 1000 * 24 * 60 * 60;
        long nh = 1000 * 60 * 60;
        long nm = 1000 * 60;
        // long ns = 1000;
        // 获得两个时间的毫秒时间差异
        long diff = endDate.getTime() - nowDate.getTime();
        // 计算差多少天
        long day = diff / nd;
        // 计算差多少小时
        long hour = diff % nd / nh;
        // 计算差多少分钟
        long min = diff % nd % nh / nm;
        // 计算差多少秒//输出结果
        // long sec = diff % nd % nh % nm / ns;
        return day + "天" + hour + "小时" + min + "分钟";
    }

    /**
     * 增加 LocalDateTime ==> Date
     */
    public static Date toDate(LocalDateTime temporalAccessor) {
        ZonedDateTime zdt = temporalAccessor.atZone(ZoneId.systemDefault());
        return Date.from(zdt.toInstant());
    }

    /**
     * 增加 LocalDate ==> Date
     */
    public static Date toDate(LocalDate temporalAccessor) {
        LocalDateTime localDateTime = LocalDateTime.of(temporalAccessor, LocalTime.of(0, 0, 0));
        ZonedDateTime zdt = localDateTime.atZone(ZoneId.systemDefault());
        return Date.from(zdt.toInstant());
    }

    /**
     * 当前时间是否在时间指定范围内<br>
     *
     * @param time      被检查的时间
     * @param beginTime 起始时间
     * @param endTime   结束时间
     * @return 是否在范围内
     * @since 3.0.8
     */
    public static boolean isIn(LocalDateTime time, LocalDateTime beginTime, LocalDateTime endTime) {
        if (beginTime.isBefore(time) && endTime.isAfter(time)) {
            return true;
        }
        return false;
    }

    public static Date localDate2Date(LocalDate localDate) {
        if (localDate != null) {
            return Date.from(localDate.atStartOfDay().atZone(ZoneId.systemDefault()).toInstant());
        }
        return null;
    }

    public static Date localDateTime2Date(LocalDateTime localDateTime) {
        if (localDateTime != null) {
            return Date.from(localDateTime.atZone(ZoneId.systemDefault()).toInstant());
        }
        return null;
    }

    public static LocalDate date2LocalDate(Date date) {
        if (date != null) {
            return Instant.ofEpochMilli(date.getTime()).atZone(ZoneId.systemDefault()).toLocalDate();
        }
        return null;
    }

    public static LocalDateTime date2LocalDateTime(Date date) {
        if (date != null) {
            return Instant.ofEpochMilli(date.getTime()).atZone(ZoneId.systemDefault()).toLocalDateTime();
        }
        return null;
    }

    public static String formatLocalDateTime(LocalDateTime localDateTime, String pattern) {
        DateTimeFormatter dtf3 = DateTimeFormatter.ofPattern(pattern);
        return dtf3.format(localDateTime);
    }

    public static long durationToMinutes(LocalDateTime startTime, LocalDateTime endTime) {
        Duration duration = Duration.between(startTime, endTime);
        return duration.toMinutes();
    }

    public static long durationToMillis(LocalDateTime startTime, LocalDateTime endTime) {
        Duration duration = Duration.between(startTime, endTime);
        // long days = duration.toDays(); //相差的天数
        // long hours = duration.toHours();//相差的小时数
        // long minutes = duration.toMinutes();//相差的分钟数
        // long millis = duration.toMillis();//相差毫秒数
        // long nanos = duration.toNanos();//相差的纳秒数

        return duration.toMillis();
    }

    /**
     * 两个时间相差的小时数
     *
     * @param startTime
     * @param endTime
     * @return
     */
    public static long durationToHours(LocalDateTime startTime, LocalDateTime endTime) {
        Duration duration = Duration.between(startTime, endTime);
        // long days = duration.toDays(); //相差的天数
        // long hours = duration.toHours();//相差的小时数
        // long minutes = duration.toMinutes();//相差的分钟数
        // long millis = duration.toMillis();//相差毫秒数
        // long nanos = duration.toNanos();//相差的纳秒数

        return duration.toHours();
    }

    /**
     * 两个时间相差的天数
     *
     * @param startTime
     * @param endTime
     * @return
     */
    public static long durationToDay(LocalDateTime startTime, LocalDateTime endTime) {
        Duration duration = Duration.between(startTime, endTime);
        // long days = duration.toDays(); //相差的天数
        // long hours = duration.toHours();//相差的小时数
        // long minutes = duration.toMinutes();//相差的分钟数
        // long millis = duration.toMillis();//相差毫秒数
        // long nanos = duration.toNanos();//相差的纳秒数

        return duration.toDays();
    }

    public static Integer getDayTimestamp(String date) {
        return Integer.valueOf(stringTodate(date, YYYY_MM_DD).getTime() / (1000 * 60 * 24) + "");
    }

    /**
     * string-date 格式为partten
     */
    public static Date stringTodate(String stringdate, String partten) {
        try {
            DateFormat format = new SimpleDateFormat(partten);
            Date date = format.parse(stringdate);
            return date;
        } catch (ParseException e) {
            e.printStackTrace();
            return null;
        }
    }

    public static String dateToString(Date date, String partten) {
        SimpleDateFormat df = new SimpleDateFormat(partten);
        try {
            String time = df.format(date);
            return time;
        } catch (Exception e) {
            return null;
        }
    }

    /**
     * 计算时间差
     *
     * @param endDate   最后时间
     * @param startTime 开始时间
     * @return 时间差（天/小时/分钟）
     */
    public static String timeDistance(Date endDate, Date startTime) {
        long nd = 1000 * 24 * 60 * 60;
        long nh = 1000 * 60 * 60;
        long nm = 1000 * 60;
        // long ns = 1000;
        // 获得两个时间的毫秒时间差异
        long diff = endDate.getTime() - startTime.getTime();
        // 计算差多少天
        long day = diff / nd;
        // 计算差多少小时
        long hour = diff % nd / nh;
        // 计算差多少分钟
        long min = diff % nd % nh / nm;
        // 计算差多少秒//输出结果
        // long sec = diff % nd % nh % nm / ns;
        return day + "天" + hour + "小时" + min + "分钟";
    }

    public static void main(String[] args) {
        DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
        LocalDateTime parse = LocalDateTime.parse("2022-09-15 18:02:24", dateTimeFormatter);
        // LocalDateTime of = LocalDateTime.of(LocalDateTime.now().toLocalDate(), LocalTime.MAX);
        System.out.println(durationToHours(parse, LocalDateTime.now()));
    }
}
